105201443021501 has 2 divisors, whose sum is σ = 105201443021502. Its totient is φ = 105201443021500.

The previous prime is 105201443021473. The next prime is 105201443021533. The reversal of 105201443021501 is 105120344102501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78111552029476 + 27089890992025 = 8838074^2 + 5204795^2 .

It is a cyclic number.

It is not a de Polignac number, because 105201443021501 - 2²² = 105201438827197 is a prime.

It is a super-2 number, since 2×105201443021501² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105201443021201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52600721510750 + 52600721510751.

It is an arithmetic number, because the mean of its divisors is an integer number (52600721510751).

Almost surely, 2^{105201443021501} is an apocalyptic number.

It is an amenable number.

105201443021501 is a deficient number, since it is larger than the sum of its proper divisors (1).

105201443021501 is an equidigital number, since it uses as much as digits as its factorization.

105201443021501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 105201443021501 in words is "one hundred five trillion, two hundred one billion, four hundred forty-three million, twenty-one thousand, five hundred one".